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Sauropodomorpha (/ ˌ s ɔːr ə ˌ p ɒ d ə ˈ m ɔːr f ə / [3] SOR-ə-POD-ə-MOR-fə; from Greek, meaning "lizard-footed forms") is an extinct clade of long-necked, herbivorous, saurischian dinosaurs that includes the sauropods and their ancestral relatives.
"Big Momma" includes a nearly complete skull and large parts of an articulated skeleton. As of 2019, it is the largest and most complete Massospondylus specimen and probably the most complete basal sauropodomorph specimen discovered in Africa. Since 1990, it is on public exhibit in the Evolutionary Studies Institute in Johannesburg.
Name Age Location Description Aganane Formation [1]. Pliensbachian Morocco [1] Up to 1350 tracks, most of them currently undescribed. Includes several new Sauropod morphotypes.
[10] [11] Earlier in 2011, Pradhania, a sauropodomorph from India, was tested for the first time in a large cladistic analysis and was found to be a relatively basal massospondylid. [12] Mussaurus and Xixiposaurus may also be included within Massospondylidae.
A phylogenetic study of Arcusaurus found it to be a basal sauropodomorph, placing it as the sister taxon of Efraasia and all of the more derived sauropodomorphs. Since Efraasia is known from the Norian stage of the Late Triassic , the close relationship with Arcusaurus implies that there was a 35-million-year ghost lineage of sauropodomorphs ...
Antetonitrus is a genus of sauropodiform dinosaur found in the Early Jurassic Elliot Formation of South Africa.The only species is Antetonitrus ingenipes.Sometimes considered a basal sauropod, it is crucial for the understanding of the origin and early evolution of this group.
Eoraptor (/ ˈ iː oʊ ˌ r æ p t ər /) is a genus of small, lightly built, basal sauropodomorph dinosaur.One of the earliest-known dinosaurs and one of the earliest sauropodomorphs, it lived approximately 231 to 228 million years ago, [1] during the Late Triassic in Western Gondwana, in the region that is now northwestern Argentina.
The group is not a monophyletic group (thus given in quotation marks), and most researchers prefer the term basal sauropodomorph. [ 46 ] [ 47 ] Plateosaurus was the first "prosauropod" to be described, [ 29 ] and gives its name to the family Plateosauridae as the type genus . [ 34 ]